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Finding the Fourth Proportional to 589,870.50, 884,808.99 and 146,638.50

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Solution

The fourth proportional to 589,870.50, 884,808.99 and 146,638.50 is: 219,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,870.50 : 884,808.99 = 146,638.50 : x
  2. Step 2: Convert to fraction form
    589,870.50/884,808.99 = 146,638.50/x
  3. Step 3: Cross multiply
    589,870.50x = 884,808.99 × 146,638.50
  4. Step 4: Simplify right side
    589,870.50x = 129,747,063,080.12
  5. Step 5: Solve for x
    x = 129,747,063,080.12/589,870.50
  6. Step 6: Final answer
    x = 219,958.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.